/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you under the Apache License, Version 2.0 (the "License"); you may not use
 * this file except in compliance with the License. You may obtain a copy of the License at the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>Unless required by applicable law or agreed to in writing, software distributed under the
 * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apereo.portal.events.aggr.concuser;

import java.util.List;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.JoinType;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import org.apereo.portal.events.aggr.AggregationInterval;
import org.apereo.portal.events.aggr.DateDimension;
import org.apereo.portal.events.aggr.JpaBaseAggregationDao;
import org.apereo.portal.events.aggr.TimeDimension;
import org.apereo.portal.events.aggr.groups.AggregatedGroupMapping;
import org.springframework.stereotype.Repository;

/** DAO for Concurrent User Aggregations */
@Repository
public class JpaConcurrentUserAggregationDao
        extends JpaBaseAggregationDao<ConcurrentUserAggregationImpl, ConcurrentUserAggregationKey>
        implements ConcurrentUserAggregationPrivateDao {

    public JpaConcurrentUserAggregationDao() {
        super(ConcurrentUserAggregationImpl.class);
    }

    @Override
    protected void addFetches(Root<ConcurrentUserAggregationImpl> root) {
        root.fetch(ConcurrentUserAggregationImpl_.uniqueStrings, JoinType.LEFT);
    }

    @Override
    protected void addUnclosedPredicate(
            CriteriaBuilder cb,
            Root<ConcurrentUserAggregationImpl> root,
            List<Predicate> keyPredicates) {
        keyPredicates.add(cb.isNotNull(root.get(ConcurrentUserAggregationImpl_.uniqueStrings)));
    }

    @Override
    protected ConcurrentUserAggregationImpl createAggregationInstance(
            ConcurrentUserAggregationKey key) {
        final TimeDimension timeDimension = key.getTimeDimension();
        final DateDimension dateDimension = key.getDateDimension();
        final AggregationInterval interval = key.getInterval();
        final AggregatedGroupMapping aggregatedGroup = key.getAggregatedGroup();
        return new ConcurrentUserAggregationImpl(
                timeDimension, dateDimension, interval, aggregatedGroup);
    }

    @Override
    protected ConcurrentUserAggregationKey getAggregationKey(
            ConcurrentUserAggregationImpl instance) {
        return instance.getAggregationKey();
    }
}
